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Old 2018-03-07, 07:41 PM   #1
Join Date: Mar 2018
Posts: 38
Talking Perineum pressure issues

Hello !

I recently bought a 29" road uni, but I have a serious problem with pressure on perineum, I can't exceed 4 miles cause of too big pain, blood stop and so...

That uni was mounted with a stadium Nimbus saddle, I tried to replace by a KH fusion freeride but it's not better.
I've tried to change saddle angle, and what ever the angle result is still the same.

I don't have any idea of what I can do, should I try a flat saddle ? or ad a handle bar ? or anything else ?

I already searched for such problems, but except the angle I didn't found many things...

Thanks for your help !
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Old 2018-03-07, 08:58 PM   #2
Eric aus Chemnitz
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Do you use an adjustable seatpost, or just the standard one? Because on the standard one you can't get the nose high enough to bring all your weight to your sitting bones.
Btw.: I prefer the QX Eleven saddle
Einradfahren in Sachsen:
02.06.2019: Europamarathon
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Old 2018-03-07, 10:28 PM   #3
Join Date: Mar 2018
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I have standard one, but I enlarged holes to allow high angle, the saddle is about : \_ , and my ass is already half on "nothing" behind rear saddle
The pressure isn't on front part of anatomy, but on perineum.
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Old 2018-03-07, 10:36 PM   #4
Join Date: Dec 2010
Location: Brooklyn, New York
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Quality cushioned bike shorts with a home flattened KH seat work for me. It took me a while to get it right. I also have a couple of washers under the front of the seat to help angle the seat up a bit more.
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Old 2018-03-07, 11:33 PM   #5
Join Date: Mar 2018
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What do you mean by "home flattened"?
I already tried with my road bike short, it was worst than with nothing...
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Old 2018-03-08, 01:43 AM   #6
Thumper uni
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Location: Perth Australia
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Hi Blaznee most people go through this I tried KH freeride gave me thigh rash them KH street no rash but very firm but with padded bike pants was ok them I got a new qu-ax uni which came with a qu-ax 11 which is a KH branded as qu-ax which is softer than street but firmer than freeride, there is no perfect saddle for everyone you will have to find the one that suits you body shape your Nimbus stadium gets good reviews maybe try different angles and height .
This is the most stupid thing you have ever purchased. "WIFE"
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Old 2018-03-11, 07:52 PM   #7
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Originally Posted by Blaznee View Post
I recently bought a 29" road uni, but I have a serious problem with pressure on perineum, I can't exceed 4 miles cause of too big pain, blood stop and so...
One simple suggestion: Take a break occasionally and let some blood flow back in there. For most of us, 4 miles on the road on a 29" uni is a half an hour or so, and that's a pretty good while especially while trying to go adjust to an unfamiliar saddle. Getting off for a few seconds every 15 minutes or so might help a lot.

Short of dismounting, you can try to shift most of your weight onto the pedals now and then while riding and give your crotch a bit of a chance to recover. That might be easier if your saddle is set a few mm below the absolute maximum height.
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Old 2018-03-24, 03:40 AM   #8
Join Date: Mar 2018
Posts: 38
I finaly made a custom version of kh fusion saddle, but it's not flattened enough, I'm guessing about doing same with stadium saddle (enlarging the midddle hole), did someone already did it ?
Today I extended my ride at about 20 miles, crotch pain was too high to continue...
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Old 2018-04-29, 02:22 AM   #9
Join Date: Jun 2008
Location: Placerville, CA
Age: 61
Posts: 940
When I got my 29" and started riding longer distances the pain was, well it was painful.

I took a KH saddle, it was years ago I don't recall which one but it had two densities of foam. I took the cover off and started hacking away at it. I used a bread knife to cut the foam. There was some kind of bolt heads or something under the foam so I stopped there and that left about 3/4" of foam.

Then I built it back up with good memory foam (the stuff they use for airplane seats it goes by the name Confor foam). Here is an example of what I used:


I believed I used medium density and shaped it to a saddle shape. I flattened the nose a bit and removed some foam from where the seat hit the back of my legs.

But it was too soft especially after it warmed up a bit.

So I shaved it back slightly to flatten the top a bit and glued a thin layer of Mincell foam. It's used to make kayaks a custom fit to the paddler. This stuff: https://salamanderpaddlegear.com/pro...ell-foam-sheet

I was ready to add two layers but one layer was just right to keep me from sinking into the softer memory foam.

The result was great and exceeded my expectations for comfort.
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issues, perineum, pressure, saddle

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